Vulnerability in Microsoft Windows

CVE-2022-40139

Improper validation of some components used by the rollback mechanism in Trend Micro Apex One and Trend Micro Apex One as a Service clients could allow a Apex One server administrator to instruct affected clients to download an unverified rollback package, which could lead to remote code execution. Please note: an attacker must first obtain Apex One server administration console access in order to exploit this vulnerability.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.033 (88.3th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-40139: held from 0.033 to 0.033.

EPSS over last 30 days · oldest: 0.033 · newest: 0.033 · change: 0.000

Affected products

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-40139?
CVE-2022-40139 is a high-severity vulnerability in Microsoft Windows. CVSS score: 7.2/10. Published 2022-09-19.
How severe is CVE-2022-40139?
High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2022-40139 known to be exploited?
Yes. CVE-2022-40139 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-09-15), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.